Test Bank: Medical Physiology 1
This test bank covers essential topics in Medical Physiology 1, including cell
physiology, neurophysiology, muscle physiology, cardiovascular physiology,
respiratory physiology, and renal physiology.
Section 1: Multiple-Choice Questions (MCQs)
Cell Physiology
1.
The primary function of the sodium-potassium (Na+/K+) pump is to:
a) Maintain osmotic balance
b) Generate ATP
c) Transport glucose into the cell
d) Increase intracellular sodium concentration
2.
1. Answer: a) Maintain osmotic balance
3.
Which of the following is an example of active transport?
a) Diffusion
b) Facilitated diffusion
c) Osmosis
d) Sodium-potassium pump
4.
1. Answer: d) Sodium-potassium pump
5.
The main intracellular cation is:
a) Sodium
b) Potassium
c) Calcium
d) Chloride
6.
1. Answer: b) Potassium
Neurophysiology
, 1.
The resting membrane potential of most neurons is approximately:
a) +70 mV
b) -70 mV
c) 0 mV
d) -55 mV
2.
1. Answer: b) -70 mV
3.
Action potentials are initiated at the:
a) Dendrites
b) Axon hillock
c) Myelin sheath
d) Synaptic cleft
4.
1. Answer: b) Axon hillock
5.
Which neurotransmitter is primarily responsible for muscle contraction at the
neuromuscular junction?
a) Dopamine
b) Serotonin
c) Acetylcholine
d) GABA
6.
1. Answer: c) Acetylcholine
Muscle Physiology
1.
The functional unit of a skeletal muscle fiber is called:
a) Sarcoplasm
b) Sarcolemma
c) Sarcomere
d) Myofibril
2.
This test bank covers essential topics in Medical Physiology 1, including cell
physiology, neurophysiology, muscle physiology, cardiovascular physiology,
respiratory physiology, and renal physiology.
Section 1: Multiple-Choice Questions (MCQs)
Cell Physiology
1.
The primary function of the sodium-potassium (Na+/K+) pump is to:
a) Maintain osmotic balance
b) Generate ATP
c) Transport glucose into the cell
d) Increase intracellular sodium concentration
2.
1. Answer: a) Maintain osmotic balance
3.
Which of the following is an example of active transport?
a) Diffusion
b) Facilitated diffusion
c) Osmosis
d) Sodium-potassium pump
4.
1. Answer: d) Sodium-potassium pump
5.
The main intracellular cation is:
a) Sodium
b) Potassium
c) Calcium
d) Chloride
6.
1. Answer: b) Potassium
Neurophysiology
, 1.
The resting membrane potential of most neurons is approximately:
a) +70 mV
b) -70 mV
c) 0 mV
d) -55 mV
2.
1. Answer: b) -70 mV
3.
Action potentials are initiated at the:
a) Dendrites
b) Axon hillock
c) Myelin sheath
d) Synaptic cleft
4.
1. Answer: b) Axon hillock
5.
Which neurotransmitter is primarily responsible for muscle contraction at the
neuromuscular junction?
a) Dopamine
b) Serotonin
c) Acetylcholine
d) GABA
6.
1. Answer: c) Acetylcholine
Muscle Physiology
1.
The functional unit of a skeletal muscle fiber is called:
a) Sarcoplasm
b) Sarcolemma
c) Sarcomere
d) Myofibril
2.
